Durable Conductive Inks and SMD Attachment for Robust Printed Electronics

Published:

October 24, 2018

Author:

Leonard Allison

Abstract:

Polymer Thick Film (PTF)-based printed electronics (aka Printed Electronics) has improved in durability over the last few decades and is now a proven alternative to copper circuitry in many applications once thought beyond the capability of PTF circuitry. This paper describes peak performance and areas for future improvement.

State-of-the-art PTF circuitry performance includes the ability to withstand sharp crease tests, 85C/85%RH damp heat 5VDC bias aging (silver migration), auto seat durability cycling, SMT mandrel flexing, and others. The IPC/SGIA subcommittee for Standards Tests development has adopted several ASTM test methods for PTF circuitry and is actively developing needed improvements or additions. These standards are described herein. Advantages of PTF circuitry over copper include: varied conductive material compositions, lower cost and lower environmental impact. Necessary improvements include: robust integration of chip and power, higher conductivity, and fine line multi-layer patterning....

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Company Information:

Engineered Materials Systems, Inc.

A global manufacturer of adhesives, conductives and encapsulants. For over 20 years, EMS has formulated state of the art acrylics, epoxies, silicones and urethanes.

Delaware, Ohio, USA

Manufacturer of Assembly Material

  • Phone 740-362-4444

Engineered Materials Systems, Inc. website

Company Postings:

(1) technical library article

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